Ring4 Meeting - Dead simple video conferencing - free, in browser
MeetMe - Location-based social networking app for meeting singles.
Stork.ai - AI-Based Collaboration for Hybrid Teams. Rich media messaging, advanced video and voice conferencing, auto-transcribing and screen sharing. Serendipitous meetings at the water-cooler with your human and AI teammates.
IDOS - Trains + Buses + All Public transport - Search for connection
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.
Badoo - Badoo combines elements of dating apps and social media platforms to create a unique way of meeting potential romantic interests.